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Proceedings Paper

Ion potential distribution of high-current arcs in vacuum
Author(s): C. Rusteberg; M. Lindmayer; B. Juettner; H. Pursch
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Paper Abstract

With the experiments presented in this paper applications of a retarding field analyzer for the measurement of ion potentials Ui in a vacuum arc plasma are discussed. The examined plasma was produced by a sinusoidal half-wave vacuum arc current. The experiments were concentrated on evaluating the plasma parameters at the last three milliseconds before current zero. In a current range from 300 Arms to 10 kArms the ion potential distributions and their peak values were evaluated. With the increase of the arc current a decrease of the ion potential was found. By additional investigations of the angular distribution of the ion energies, a transition from a collision dominated interelectrode plasma to a freely expanding plasma was observed, depending on the arc current.

Paper Details

Date Published: 1 May 1994
PDF: 9 pages
Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); doi: 10.1117/12.174634
Show Author Affiliations
C. Rusteberg, Institut fuer Elektrische Energieanlagen (Germany)
M. Lindmayer, Institut fuer Elektrische Energieanlagen (Germany)
B. Juettner, Max-Planck-Institut fuer Plasmaphysik (Germany)
H. Pursch, Max-Planck-Institut fuer Plasmaphysik (Germany)

Published in SPIE Proceedings Vol. 2259:
XVI International Symposium on Discharges and Electrical Insulation in Vacuum
Gennady A. Mesyats, Editor(s)

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